Re: [OAUTH-WG] Section 10.1 (Client authentication)

2011-07-25 Thread Torsten Lodderstedt
+1 Am 25.07.2011 02:16, schrieb Eran Hammer-Lahav: How about, add this to 10.1: When client authentication is not possible, the authorization server SHOULD employ other means to validate the client's identity. For example, by requiring the registration of th

Re: [OAUTH-WG] Section 10.1 (Client authentication)

2011-07-24 Thread Eran Hammer-Lahav
How about, add this to 10.1: When client authentication is not possible, the authorization server SHOULD employ other means to validate the client's identity. For example, by requiring the registration of the client redirection URI or enlisting the resource owner to

Re: [OAUTH-WG] Section 10.1 (Client authentication)

2011-07-10 Thread Torsten Lodderstedt
Hi, I just remembered the original aim of the text. We not just intended to list alternative means but to get a general message across: If you cannot authenticate a client considers this in your security design! Either (1) you accept the fact the respective identities can be forged and handle t

Re: [OAUTH-WG] Section 10.1 (Client authentication)

2011-07-08 Thread Eran Hammer-Lahav
Hey Torsten, The provided text and alternative text are just not helpful. If I am unable to understand it, I have doubt other readers will be able to. I don't know what you mean by 'other means' which are not already described in the document (based on -17). Referencing the security thread mode

Re: [OAUTH-WG] Section 10.1 (Client authentication)

2011-07-08 Thread Torsten Lodderstedt
seems you are contradicting yourself. You criticised the MUST and suggested to include some examples. I bought into your argument and suggested to refer to the security doc for examples and additional explanations. That's what this document is intended for, to provide background beyond what we

Re: [OAUTH-WG] Section 10.1 (Client authentication)

2011-07-07 Thread Eran Hammer-Lahav
I still don’t find it useful. I think the existing text overall makes this point already. EHL From: Torsten Lodderstedt [mailto:tors...@lodderstedt.net] Sent: Wednesday, July 06, 2011 12:48 AM To: Eran Hammer-Lahav; OAuth WG Subject: Re: Section 10.1 (Client authentication) Hi Eran, I would su

Re: [OAUTH-WG] Section 10.1 (Client authentication)

2011-07-06 Thread Torsten Lodderstedt
Hi Eran, I would suggest to change it to SHOULD and add a reference to https://tools.ietf.org/html/draft-ietf-oauth-v2-threatmodel-00 sections 3.7 and 5.2.3. regards, Torsten. Eran Hammer-Lahav schrieb: It's a pointless MUST given how undefined the requirements are. It will only be unders

Re: [OAUTH-WG] Section 10.1 (Client authentication)

2011-07-04 Thread Eran Hammer-Lahav
It's a pointless MUST given how undefined the requirements are. It will only be understood by security experts and they don't really need it. At a minimum, it needs some examples. EHL From: Torsten Lodderstedt mailto:tors...@lodderstedt.net>> Date: Wed, 1 Jun 2011 00:53:37 -0700 To: Eran Hamme

[OAUTH-WG] Section 10.1 (Client authentication)

2011-06-01 Thread Torsten Lodderstedt
Hi Eran, would you please add the following sentence (which was contained in the original security considerations text) to the second paragraph of section 1.0.1? Alternatively, authorization servers MUST utilize other means than client authentication to achieve their security objectives